A projectile is fired from the ground level with an initial velocity v0. Which of the following statements is true? (A) Vertical component of the velocity at point C is zero
(B) Horizontal component of the velocity at point C is zero
(C) Vertical component of the acceleration at point C is g
(D) Horizontal component of the acceleration at point C is g

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue